Home / 11,005,135,918.80-16,507,703,878.20-9,300,485,767.20

Finding the Fourth Proportional to 11,005,135,918.80, 16,507,703,878.20 and 9,300,485,767.20

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Solution

The fourth proportional to 11,005,135,918.80, 16,507,703,878.20 and 9,300,485,767.20 is: 13,950,728,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,135,918.80 : 16,507,703,878.20 = 9,300,485,767.20 : x
  2. Step 2: Convert to fraction form
    11,005,135,918.80/16,507,703,878.20 = 9,300,485,767.20/x
  3. Step 3: Cross multiply
    11,005,135,918.80x = 16,507,703,878.20 × 9,300,485,767.20
  4. Step 4: Simplify right side
    11,005,135,918.80x = 153,529,664,968,351,350,784
  5. Step 5: Solve for x
    x = 153,529,664,968,351,350,784/11,005,135,918.80
  6. Step 6: Final answer
    x = 13,950,728,650.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.